Dibutyl phosphate supplier

Name
Dibutyl phosphate
EINECS 203-509-8
CAS No. 107-66-4
Article Data44
CAS DataBase
Density 1.078 g/cm³
Solubility insoluble in water
Melting Point -13 °C
Formula C₈H₁₉O₄P
Boiling Point 275.3 °C at 760 mmHg
Molecular Weight 210.21
Flash Point 120.3 °C
Transport Information UN 3261
Appearance clear liquid
Safety 26-39-45-36/37/39-25
Risk Codes 37/38-41-38-34
Molecular Structure
Hazard Symbols Xi, C
Synonyms Butylphosphate, (BuO)2(HO)PO (6CI);DP 4;DP 4 (coupling agent);Di-n-Butylphosphate;Dibutyl acid phosphate;Dibutyl hydrogen phosphate;HDBP;NSC 203039;NSC 22313;
PSA 65.57000
LogP 2.72020

Synthetic route

: 126-73-8
phosphoric acid tributyl ester

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With sodium hydroxide In ethanol; water for 2.5h; Heating;	97%
With sodium hydroxide
With hydrogenchloride In hydrogenchloride byproducts: C4H9Cl; hydrolysis of TBP in concd. HCl;; hydrolytic decompn. of 18.5 % TBP in 6 days at ambient temp.;;
With HCl In hydrogenchloride byproducts: C4H9Cl; hydrolysis of TBP in concd. HCl;; hydrolytic decompn. of 18.5 % TBP in 6 days at ambient temp.;;

: 71-36-3
butan-1-ol

A: 1623-15-0
n-butyl phosphoric acid

B: 126-73-8
phosphoric acid tributyl ester

C: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With phosphorus; tetraethylammonium iodide In water; acetonitrile electrolysis;	A n/a B 87% C n/a

...Expand

: 71-36-3
butan-1-ol

A: 126-73-8
phosphoric acid tributyl ester

B: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With sodium bromate; phosphan at 80℃; Kinetics; Condensation;	A 20% B 80%
With sodium hypophosphite; copper dichloride at 24.9℃; for 4h;	A 22.2% B 77.8%
With phosphorous; air; ruthenium hydroxide trichloride; copper dichloride at 80℃; oxidative alkoxylation;	A 33.7% B 11.3%

: 38257-85-1
Di-n-butyl-(o-hydroxy-phenyl)-phosphat

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With [bis(acetoxy)iodo]benzene; water In acetonitrile at 20℃; for 1h; oxidative cleavage;	72%

: 71-36-3
butan-1-ol

A: 107-66-4
dibutyl phosphate

B: 16456-56-7
Phosphoric acid mono-n-butylester

Conditions

Conditions	Yield
With oxygen; hypophosphorous acid; copper dichloride at 50℃; for 6h;	A 4% B 48%

: 819-43-2
dibutyl chlorophosphate

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With sodium hydroxide In tetrahydrofuran; water at 0℃;	46%
With water beim Erhitzen;
With water In toluene for 1h; Reflux;	29.5 g

: 121252-83-3
N-prolyl>proline

A: 121252-84-4
(R)-1-[(R)-1-(Dibutoxy-phosphoryl)-pyrrolidine-2-carbonyl]-pyrrolidine-2-carboxylic acid butyl ester

B: 107-66-4
dibutyl phosphate

C: 19943-27-2
rac-octahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione

Conditions

Conditions	Yield
With butan-1-ol at 105 - 110℃; for 6h;	A 28.6% B 25% C 42%

...Expand

: 121252-83-3
N-prolyl>proline

: 71-36-3
butan-1-ol

A: 121252-84-4
(R)-1-[(R)-1-(Dibutoxy-phosphoryl)-pyrrolidine-2-carbonyl]-pyrrolidine-2-carboxylic acid butyl ester

B: 107-66-4
dibutyl phosphate

C: 19943-27-2
rac-octahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-5,10-dione

Conditions

Conditions	Yield
at 105 - 110℃; for 6h;	A 28.6% B 25% C 42%

...Expand

: 2528-36-1
dibutyl phenyl phosphate

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With ethanol Hydrogenation.an Platin;

: 71-36-3
butan-1-ol

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With water; trichlorophosphate
With triethylamine; trichlorophosphate In toluene at 60℃; for 1h;

: 7242-59-3
dibutyl methyl phosphate

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With methanesulfonic acid; dimethylsulfide for 18h; Ambient temperature;

: 126-73-8
phosphoric acid tributyl ester

A: 1623-15-0
n-butyl phosphoric acid

B: 674-48-6
phosphorofluoridic acid dibutyl ester

C: 372-03-2
phosphorofluoridic acid monobutyl ester

D: 26078-17-1
phosphorodifluoridic acid butyl ester

E: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
In sulfuric acid; hydrogen fluoride Product distribution; time, composition of the aqueous solution;

...Expand

: 10163-62-9
thiophosphoric acid O,O'-dibutyl ester

: 7553-56-2
iodine

: furan-2,3,5(4H)-trione pyridine (1:1)

: 107-66-4
dibutyl phosphate

...Expand

: 126-73-8
phosphoric acid tributyl ester

A: 1623-15-0
n-butyl phosphoric acid

B: 109-69-3
n-Butyl chloride

C: 107-66-4
dibutyl phosphate

D: 71-36-3
butan-1-ol

E H3PO4: H3PO4

Conditions

Conditions	Yield
With hydrogenchloride In water at 25℃; Mechanism; Product distribution; Rate constant; different HCl concentrations;

...Expand

: 71-36-3
butan-1-ol

A: 1623-15-0
n-butyl phosphoric acid

B: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With phosphorus pentaoxide microwave irradiation;

: 126-73-8
phosphoric acid tributyl ester

A: 1623-15-0
n-butyl phosphoric acid

B: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
With sodium hydroxide In methanol; water at 100℃; for 2h; Title compound not separated from byproducts.;
With (238)plutonium; nitric acid for 21h; Concentration; Irradiation; Radiolysis;

: 1809-19-4
dibutyl hydrogen phosphite

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: 78.6 percent / Et3N, CCl4 / ethanol; H2O / 14 h / 0 °C 2: Et3N, CCl4 / CH2Cl2 / 10 h / 0 °C 3: Et3N / 6 h / 0 °C 4: 76.3 percent / LiOH*H2O, H2O / tetrahydrofuran; methanol / 5 h / 60 °C / various bases, other time and temperature 5: 25 percent / butanol / 6 h / 105 - 110 °C View Scheme
With copper diacetate In tetrahydrofuran-d8 at 20℃; Inert atmosphere;
Multi-step reaction with 2 steps 1: copper dichloride / tetrahydrofuran / 0.42 h / 0 - 20 °C 2: sodium hydroxide / tetrahydrofuran; water / 0 °C View Scheme
With Nitrogen dioxide at 35℃; Cooling;

: 121252-81-1
N-(dibutyloxyphosphinyl)proline

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: Et3N, CCl4 / CH2Cl2 / 10 h / 0 °C 2: Et3N / 6 h / 0 °C 3: 76.3 percent / LiOH*H2O, H2O / tetrahydrofuran; methanol / 5 h / 60 °C / various bases, other time and temperature 4: 25 percent / butanol / 6 h / 105 - 110 °C View Scheme

: 121252-82-2
N-proline methyl ester

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 76.3 percent / LiOH*H2O, H2O / tetrahydrofuran; methanol / 5 h / 60 °C / various bases, other time and temperature 2: 25 percent / butanol / 6 h / 105 - 110 °C View Scheme

: [(R)-2-(Diethoxy-phosphoryloxycarbonyl)-pyrrolidin-1-yl]-phosphonic acid dibutyl ester

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: Et3N / 6 h / 0 °C 2: 76.3 percent / LiOH*H2O, H2O / tetrahydrofuran; methanol / 5 h / 60 °C / various bases, other time and temperature 3: 25 percent / butanol / 6 h / 105 - 110 °C View Scheme

: 7647-01-0
hydrogenchloride

: zinc(II) phosphide

: 80937-33-3
oxygen

: 71-36-3
butan-1-ol

A: 126-73-8
phosphoric acid tributyl ester

B: 109-69-3
n-Butyl chloride

C: 107-66-4
dibutyl phosphate

D: 7646-85-7
zinc(II) chloride

Conditions

Conditions	Yield
copper dichloride In butan-1-ol Kinetics;

...Expand

: 1369964-80-6
dibutyl (1,1-dioxido-4-oxo-3-phenyl-4H-thiochromen-2-yl)methyl phosphate

: 107-66-4
dibutyl phosphate

Conditions

Conditions	Yield
In chloroform-d1 for 0.183333h; Irradiation;	> 99 %Spectr.

: 107-66-4
dibutyl phosphate

: 16298-74-1
sodium salt of dibutyl phosphate

Conditions

Conditions	Yield
With sodium hydrogencarbonate In water at 20℃; for 1h;	100%
With sodium hydroxide
With sodium hydrogencarbonate In water

: ((2S,3aS,5R,6R,6aS)-6-Benzyloxy-2-methoxy-2-phenyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-ylmethoxy)-triisopropyl-silane

: 107-66-4
dibutyl phosphate

: dibutyl (2-O-benzoyl-3-O-benzyl-5-O-tri-isopropylsilyl-α-D-arabinofuranosyl) phosphate

Conditions

Conditions	Yield
With 4 A molecular sieve In dichloromethane at 20℃; for 1h;	100%

: (2S,3aR,5R,6R,7S,7aR)-6,7-Bis-benzyloxy-5-benzyloxymethyl-2-methoxy-2-phenyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

: 107-66-4
dibutyl phosphate

: 208656-42-2
dibutyl (2-O-benzoyl-3,4,6-tri-O-benzyl-β-D-glucopyranosyl) phosphate

Conditions

Conditions	Yield
With 4 A molecular sieve In dichloromethane at 20℃; for 0.5h;	100%

: 32353-64-3
1-butyl-4-methylpyridin-1-ium iodide

: 107-66-4
dibutyl phosphate

: 1289675-21-3
1-butyl-4-methylpyridinium dibutylphosphate

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1-butyl-4-methylpyridin-1-ium iodide In methanol	100%

: 4333-62-4
1,3-dimethylimidazolim iodide

: 107-66-4
dibutyl phosphate

: 1382354-65-5
[mmim]Bu2PO4

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1,3-dimethylimidazolim iodide In methanol	100%

: 65039-05-6
1-methyl-3-(n-butyl)imidazolium iodide

: 107-66-4
dibutyl phosphate

: 1-n-butyl-3-methylimidazolium dibutyl phosphate

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1-methyl-3-(n-butyl)imidazolium iodide In methanol	100%

: 143085-46-5
1,3-bis(n-butyl)imidazolium iodide

: 107-66-4
dibutyl phosphate

: 654058-05-6
C8H18O4P(1-)*C11H21N2(1+)

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1,3-dibutyl-1,3-imidazolium iodide In methanol	100%

: 107-66-4
dibutyl phosphate

: 1-butyl-2,3-dimethylimidazolium bromide

: 1289675-18-8
1-butyl-2,3-dimethylimidazolium dibutylphosfonate

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1-butyl-2,3-dimethylimidazolium bromide In methanol	100%

: 1448263-56-6
methyl 3-O-benzyl-4-O-tert-butyldimethylsilyl-β-L-idopyranuronate 1,2-(methyl-orthoacetate)

: 107-66-4
dibutyl phosphate

: methyl (dibutylphosphate-2-O-acetyl-3-O-benzyl-4-O-tert-butyldimethylsilyl-β-L-idopyranosid)uronate

Conditions

Conditions	Yield
Stage #1: methyl 3-O-benzyl-4-O-tert-butyldimethylsilyl-β-L-idopyranuronate 1,2-(methyl-orthoacetate) In dichloromethane at 20℃; for 0.25h; Inert atmosphere; Molecular sieve; Stage #2: dibutyl phosphate In dichloromethane Inert atmosphere; Molecular sieve;	100%

: 1448263-56-6
methyl 3-O-benzyl-4-O-tert-butyldimethylsilyl-β-L-idopyranuronate 1,2-(methyl-orthoacetate)

: 107-66-4
dibutyl phosphate

: methyl (dibutylphosphate-2-O-acetyl-3-O-benzyl-4-O-tert-butyldimethylsilyl-α-L-idopyranosid)uronate

Conditions

Conditions	Yield
In dichloromethane at 20℃; Molecular sieve;	100%
In dichloromethane at 20℃; Molecular sieve;	100%

: 78-73-9
cholinium hydrogen carbonate

: 107-66-4
dibutyl phosphate

: 1241962-99-1
cholinium dibutyl phosphate

Conditions

Conditions	Yield
In water at 20℃;	100%

: 2052-49-5
tetra(n-butyl)ammonium hydroxide

: 107-66-4
dibutyl phosphate

: dibutylphosphoric acid tetrabutylammonium salt

Conditions

Conditions	Yield
In methanol	100%
In methanol at 0 - 20℃;	98%
In methanol at 0 - 20℃; for 1h;	98%

: 373606-55-4
2-O-benzyl-3,4-di-O-pivaloyl-α-L-fucopyranosyl trichloroacetimidate

: 107-66-4
dibutyl phosphate

: 373606-28-1
dibutyl 2-O-benzyl-3,4-di-O-pivaloyl-β-L-fucopyranoside phosphate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 0.5h;	99%

: ethyl 2,4-di-O-benzyl-3,6-di-O-picoloyl-1-thio-α-D-mannopyranoside

: 107-66-4
dibutyl phosphate

: C40H47N2O11P

Conditions

Conditions	Yield
Stage #1: ethyl 2,4-di-O-benzyl-3,6-di-O-picoloyl-1-thio-α-D-mannopyranoside; dibutyl phosphate In dichloromethane at 20℃; for 1h; Molecular sieve; Inert atmosphere; Stage #2: With N-iodo-succinimide; trifluorormethanesulfonic acid In dichloromethane at 20℃; for 1h; Molecular sieve; Inert atmosphere; diastereoselective reaction;	99%

: 107-66-4
dibutyl phosphate

: 208047-71-6
3,4-di-O-benzyl-2-deoxy-6-O-levulinyl-2-phthalimido-β-D-glucopyranosyl trichloroacetamidate

: 3,4-di-O-benzyl-2-deoxy-6-O-levulinyl-2-phthalimido-D-glucopyranose-1-dibutylphosphate

Conditions

Conditions	Yield
In toluene for 14h;	98%

: 1445-45-0
Trimethyl orthoacetate

: 107-66-4
dibutyl phosphate

: 7242-59-3
dibutyl methyl phosphate

Conditions

Conditions	Yield
In various solvent(s) at 80℃; for 1h;	98%

: aluminum L-lactate

: 107-66-4
dibutyl phosphate

: 3C8H18O4P(1-)*Al(3+)

Conditions

Conditions	Yield
In water at 20℃; for 0.25h;	98%
With triethylamine

: 107-66-4
dibutyl phosphate

: 80-70-6
N,N,N',N'-tetramethylguanidine

: C8H19O4P*C5H13N3

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 12h; Inert atmosphere;	98%

: (2S,3aS,5R,6R,7S,7aS)-6,7-Bis-benzyloxy-5-benzyloxymethyl-2-methoxy-2-phenyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran

: 107-66-4
dibutyl phosphate

: dibutyl (2-O-benzoyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl) phosphate

Conditions

Conditions	Yield
With 4 A molecular sieve In dichloromethane at 20℃; for 0.5h;	97%

: C27H26O6

: 107-66-4
dibutyl phosphate

: 1059116-10-7
dibutyl (2-O-benzoyl-3,4-di-O-benzyl-α-D-mannopyranosyl) phosphate

Conditions

Conditions	Yield
Molecular sieve; Inert atmosphere;	97%

: 1382354-48-4
1,3-dibutyl-5,6-dimethylbenzimidazolium iodide

: 107-66-4
dibutyl phosphate

: 1382354-51-9
C8H18O4P(1-)*C17H27N2(1+)

Conditions

Conditions	Yield
Stage #1: dibutyl phosphate With Amberlyst A-26 (OH- form) In methanol; water at 20℃; Stage #2: 1,3-dibutyl-5,6-dimethylbenzimidazolium iodide In methanol	97%

: 62774-33-8
phenyl 2,3,4,6-tetra-O-benzoyl-1-thio-β-D-glucopyranoside

: 107-66-4
dibutyl phosphate

: bis(butyl)phosphoryl 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranoside

Conditions

Conditions	Yield
Stage #1: phenyl 2,3,4,6-tetra-O-benzoyl-1-thio-β-D-glucopyranoside; dibutyl phosphate In dichloromethane at 20℃; for 1h; Molecular sieve; Inert atmosphere; Stage #2: With N-iodo-succinimide; trifluorormethanesulfonic acid In dichloromethane at 20℃; for 18h; Molecular sieve; Inert atmosphere;	97%

: ethyl O-(2-O-benzoyl-3,4,6-tri-O-benzyl-β-D-galactopyranosyl)-(1→4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside

: 107-66-4
dibutyl phosphate

: di-O-butyl O-(2-O-benzoyl-3,4,6-tri-O-benzyl-β-D-galactopyranosyl)-(1→4)-4,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosylphosphate

Conditions

Conditions	Yield
With N-iodo-succinimide; trifluorormethanesulfonic acid In dichloromethane at 0 - 20℃; for 1.33333h; Molecular sieve; Inert atmosphere;	97%

: 75-30-9
2-iodo-propane

: 107-66-4
dibutyl phosphate

: 60140-72-9
phosphoric acid dibutyl ester isopropyl ester

Conditions

Conditions	Yield
With cesium fluoride In acetonitrile for 6h; Ambient temperature;	96%

: 107-66-4
dibutyl phosphate

: 1474-75-5
n-butyl pyrophosphate

Conditions

Conditions	Yield
With N,N,N',N'-tetramethylchlorformamidinium chloride; triethylamine In dichloromethane at 0 - 20℃; for 2h;	96%

: 16697-49-7
3,4,6-tri-O-benzyl-1,2-O-(methoxyethylidene)-β-D-mannopyranose

: 107-66-4
dibutyl phosphate

: 604767-74-0
di-n-butyl (2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl) phosphate

Conditions

Conditions	Yield
With 4 A molecular sieve In dichloromethane at 20℃; for 0.366667h;	96%
Molecular sieve; Inert atmosphere;	93%
With triethylamine In dichloromethane at 0 - 25℃; Molecular sieve; Inert atmosphere;

: C23H24Cl3NO11S

: 107-66-4
dibutyl phosphate

: methyl (5-amido-7,8,9-tri-O-chloroacetyl-5-N,4-O-carbonyl-2-(dibutylphosphoryl)-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranoside)onate

Conditions

Conditions	Yield
Stage #1: C23H24Cl3NO11S; dibutyl phosphate In dichloromethane at 20℃; for 3h; Inert atmosphere; Molecular sieve; Stage #2: With N-iodo-succinimide; trifluorormethanesulfonic acid In diethyl ether; dichloromethane at 0 - 4℃; Inert atmosphere;	96%

: 1246533-72-1
C23H24Cl3NO11S

: 107-66-4
dibutyl phosphate

: 1246533-73-2
C25H37Cl3NO15P

Conditions

Conditions	Yield
With N-iodo-succinimide; trifluorormethanesulfonic acid In dichloromethane at 0℃;	96%

: 1572443-60-7
C62H66O7SSi

: 107-66-4
dibutyl phosphate

: 1572443-75-4
dibutyl 6-O-triisopropylsilyl-2-O-(2-((4-methoxybenzyloxy)methyl)benzoyl)-2,3-di-O-(2-methylnaphthyl)-α-D-mannopyranoside phosphate

Conditions

Conditions	Yield
With N-iodo-succinimide; trimethylsilyl trifluoromethanesulfonate In dichloromethane Inert atmosphere;	96%

Dibutyl phosphate Consensus Reports

Reported in EPA TSCA Inventory.

Dibutyl phosphate Standards and Recommendations

OSHA PEL: TWA 1 ppm; STEL 2 ppm
ACGIH TLV: TWA 1 ppm; STEL 2 ppm

Dibutyl phosphate Analytical Methods

For occupational chemical analysis use NIOSH: Dibutyl Phosphate, 5017.

Dibutyl phosphate Specification

The Dibutyl phosphate is an organic compound with the formula C₈H₁₉O₄P. The IUPAC name of this chemical is dibutyl hydrogen phosphate. With the CAS registry number 107-66-4 and EINECS 203-509-8, it is also named as Di-n-butyl hydrogen phosphate. It is clear liquid which is insoluble in water and soluble in diethyl ether, carbon tetrachloride and other organic solvents. What's more, it is toxic and flammable. When heated to decomposition it emits toxic fumes of POx. So the storage environment should be well-ventilated, low-temperature and dry. Keep Dibutyl phosphate separate from raw materials of food.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.20; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.17; (4)ACD/LogD (pH 7.4): -1.3; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 4; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 54.57 Å²; (13)Index of Refraction: 1.436; (14)Molar Refractivity: 51.01 cm³; (15)Molar Volume: 194.9 cm³; (16)Polarizability: 20.22×10^-24 cm³; (17)Surface Tension: 36.3 dyne/cm; (18)Density: 1.078 g/cm³; (19)Flash Point: 120.3 °C; (20)Enthalpy of Vaporization: 56.54 kJ/mol; (21)Boiling Point: 275.3 °C at 760 mmHg; (22)Vapour Pressure: 0.00141 mmHg at 25°C.

Uses of Dibutyl phosphate: It is used as extraction agent of uranium and thorium. It also can react with 2-iodo-propane to get phosphoric acid dibutyl ester isopropyl ester. This reaction needs reagent CsF and solvent acetonitrile at ambient temperature. The reaction time is 6 hours. The yield is 96%.

Dibutyl phosphate can react with 2-iodo-propane to get phosphoric acid dibutyl ester isopropyl ester

When you are using this chemical, please be cautious about it as the following:
It can cause burns and is irritating to respiratory system and skin. It also has risk of serious damage to the eyes, so people should avoid contact with eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

People can use the following data to convert to the molecule structure.
1. SMILES:O=P(OCCCC)(OCCCC)O
2. InChI:InChI=1/C8H19O4P/c1-3-5-7-11-13(9,10)12-8-6-4-2/h3-8H2,1-2H3,(H,9,10)
3. InChIKey:JYFHYPJRHGVZDY-UHFFFAOYAZ

The following are the toxicity data which has been tested.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	3200mg/kg (3200mg/kg)		National Technical Information Service. Vol. OTS0528344

Product Name

Dibutyl phosphate

Synthetic route

Dibutyl phosphate Consensus Reports

Dibutyl phosphate Standards and Recommendations

Dibutyl phosphate Analytical Methods

Dibutyl phosphate Specification

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